Automatic wire feeding and cutting machine for electronic wire harness

Abstract

The utility model discloses an electronic wire harness automatic wire feeding and cutting machine which comprises a frame, and synchronous wheel assemblies which are oppositely arranged are arranged in the frame. A motor assembly is installed on one side of the rear portion of the frame, and the motor assembly drives the pair of synchronous wheel assemblies to move relatively so that the electronic wire harness can move from the first end to the second end to achieve cutting feeding motion. A cutting device fixed on the frame is arranged at the second end; the cutting device comprises a pair of oppositely arranged cutters; an encoder used for measuring the moving length is further arranged at the second end, the electronic wire harness passes through a counting wheel of the encoder, the counting wheel provided with a detection device is used for detecting whether the wire feeding length is accurate or not, automatic wire feeding and cutting operation is achieved, and the automation degree is high. The length of the cut wire is controlled by an encoder counting wheel of the detection device, the precision is high, and the consistency is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of electronic wire harness manufacturing, and particularly relates to an automatic wire feeding and cutting machine for electronic wire harnesses. Background Art

[0002] In the production of electronic products, in order to power the electronic products or transmit data, the wiring harness is rolled up, and the wiring harness needs to be cut into the same length for subsequent use. At present, most people cut the wiring harness with tools by hand, and they need to constantly move the tools to cut the wiring harness, which is laborious. In addition, people need to measure the length each time and then cut it, and the accuracy is inconsistent.

[0003] Chinese utility model patent 2021228314503 discloses a wire harness cutting device for electronic products, including a base, a movable rod, a fixed plate, a leg, a fixed strip, a first spring, a pedal, etc.; the base bottom is fixed with legs evenly spaced in the circumferential direction, the right sides of the front and rear sides of the base are fixed with placement frames, the left and right sides of the front of the base are slidably connected with movable rods, and the bottom ends of the two movable rods are fixed with pedals. The utility model places a reel wound with a wire harness between two placement frames, and the rear end of the six-pointed rod is inserted into the reel, pulls the head end of the wire harness to the left to a suitable position, steps on the pedal to move downward, the fixed plate drives the cutter to move downward, and the L-shaped ratchet moves downward and slides on the ratchet. After the cutter cuts the wire harness, the pedal is released to reset, and the L-shaped ratchet moves upward to reset and drives the ratchet to reverse, so that the wire harness is reversed for laying out. In this way, people do not need to cut the wire harness manually, which is more labor-saving and convenient.

[0004] The inventor believes that this cutting device still requires manual action during cutting, and has a low degree of automation; and the length accuracy of the cut cannot be guaranteed by using manual wire pulling. Utility Model Content

[0005] The utility model aims to provide an automatic wire feeding and cutting machine for an electronic wire harness to solve the above-mentioned problems.

[0006] The technical solution adopted by the utility model is: an automatic wire feeding and cutting machine for electronic wire harnesses, comprising a frame for supporting, wherein synchronous wheel assemblies for wire feeding are arranged opposite to each other inside the frame, and the electronic wire harnesses pass between a pair of the synchronous wheel assemblies;

[0007] A motor assembly is installed on one side of the rear of the frame, and the motor assembly drives a pair of synchronous wheel assemblies to move relative to each other to move the electronic wire harness from the first end to the second end to achieve cutting feeding movement;

[0008] A cutting device fixed to the frame is provided at the second end, the cutting device comprising a pair of oppositely arranged cutters, one of which is a fixed cutter and the other is a movable cutter, the movable cutter is fixed to the end of the cylinder piston rod, and the cylinder body is mounted on the frame;

[0009] An encoder for measuring the moving length is also provided at the second end, and an electronic beam passes over a counting wheel of the encoder.

[0010] Further, the synchronous wheel assembly includes a fixing plate, and the fixing plate is vertically arranged inside the frame;

[0011] A synchronous wheel set is provided in front of the fixed plate;

[0012] The synchronous wheel set includes a driving wheel, a driven wheel, a synchronous belt and a plurality of idle wheels;

[0013] The two synchronous belts clamp the electronic wire harness from both sides and move it forward to realize wire feeding.

[0014] Furthermore, the synchronous wheel assembly on the upper side is connected to a lifting device installed on the top thereof to accommodate electronic wire harnesses of different diameters.

[0015] Furthermore, the lifting device includes a pair of slide bars respectively arranged on the left and right sides of the fixed plate, and the upper and lower ends of the slide bars are fixed on the frame;

[0016] A slide frame slides along the up and down direction of the slide rod, and the lifting adjustment rod is spirally connected with the slide frame;

[0017] The top of the lifting and lowering adjustment rod penetrates the top plate of the frame and is connected with a hand wheel.

[0018] Furthermore, a guiding device for guiding is provided between the pair of synchronous wheel assemblies;

[0019] The guide device comprises a guide rod whose axis is consistent with the traveling direction of the electronic wire harness, and a guide hole is provided at the axis of the guide rod;

[0020] The guide rod is fixed to the body of one of the fixing plates through a mounting bracket.

[0021] Beneficial effects:

[0022] The cutting machine mainly includes an automatic wire feeding device, an automatic cutting device, a lifting device, a wire feeding device and a detection device;

[0023] The cutting device is driven by a cylinder to drive the cutter, and the wire feeding device is driven by a servo motor. It can cut wires of any length and different diameters. At the same time, a detection device counting wheel is installed to detect whether the wire feeding length is accurate, realizing the automatic operation of wire feeding and cutting, with a high degree of automation.

[0024] The length of the cut wire is controlled by the encoder counting wheel of the detection device, with high precision and good consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a front-view axonometric drawing of the utility model;

[0027] Figure 3 It is the rear perspective axonometric drawing of the utility model;

[0028] Figure 4 This is a schematic diagram of the power drive of the utility model;

[0029] Figure 5 It is a structural schematic diagram of the synchronous wheel set of the utility model;

[0030] in:

[0031] 1-Framework;

[0032] 2-lifting device, 2-1-sliding rod, 2-2-sliding frame, 2-3-hand wheel, 2-4-lifting adjustment rod;

[0033] 3-synchronous wheel assembly, 3-1-fixed plate, 3-2-synchronous wheel set, 3-2-1-driving wheel, 3-2-2-synchronous belt, 3-2-3-driven wheel, 3-2-4-idling wheel;

[0034] 4-synchronous wheel assembly, 4-1-fixed plate, 4-2-synchronous wheel set, 4-2-1-driving wheel, 4-2-2-synchronous belt, 4-2-3-driven wheel, 4-2-4-idling wheel;

[0035] 5- Cutting device;

[0036] 6-encoder, 6-1-counting wheel;

[0037] 7-motor assembly, 7-1-power wheel, 7-2-power belt;

[0038] 8-Guide device. DETAILED DESCRIPTION

[0039] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0040] See also Figures 1 to 4 , an automatic wire feeding and cutting machine for electronic wire harnesses, comprising a frame 1 for supporting, wherein the frame 1 is composed of two side plates, a bottom plate respectively arranged at the bottom of the side plates, and a top plate arranged at the top to form a frame body, wherein synchronous wheel assemblies 3 and 4 for wire feeding are arranged oppositely inside the frame 1, and the electronic wire harnesses pass between a pair of the synchronous wheel assemblies 3 and 4; a motor assembly 7 is installed at one side of the rear of the frame 1, and the motor assembly 7 comprises a power wheel 7-1 and a power belt 7-2 (please refer to the trend diagram Figure 3 and Figure 4 ), the motor assembly 7 drives a pair of the synchronous wheel assemblies 3 and 4 to move relative to each other to move the electronic wire bundle from the first end to the second end to realize the cutting feeding movement; a cutting device 5 fixed on the frame 1 is provided at the second end, and the cutting device 5 includes a pair of relatively arranged cutters, one of which is a fixed cutter and the other is a movable cutter, the movable cutter is fixed at the end of the cylinder piston rod, and the cylinder body is installed on the frame 1; an encoder 6 for measuring the moving length is also provided at the second end, and the electronic wire bundle passes through the counting wheel 6-1 of the encoder 6. The cutting machine mainly includes an automatic wire feeding device, an automatic cutting device, a lifting device, a wire feeding device and a detection device; the cutting device is completed by the cylinder driving the cutter, and the wire feeding device is driven by a servo motor, which can cut wire bundles of any length and wire bundles of different diameters. At the same time, a detection device counting wheel is installed to detect whether the wire feeding length is accurate, so as to realize the automatic operation of wire feeding and cutting, and the degree of automation is high; the length of the cut wire is controlled by the encoder counting wheel of the detection device, with high precision and good consistency.

[0041] See also Figure 1 and Figure 5 The synchronous wheel assemblies 3 and 4 include fixed plates 3-1 and 4-1, and the fixed plates 3-1 and 4-1 are vertically arranged inside the frame 1;

[0042] Synchronous wheel sets 3-2 and 4-2 are provided in front of the fixed plates 3-1 and 4-1;

[0043] The synchronous wheel set 3-2, 4-2 includes a driving wheel 3-2-1, 4-2-1, a driven wheel 3-2-3, 4-2-3, a synchronous belt 3-2-2, 4-2-2 and a plurality of idle wheels 3-2-4, 4-2-4;

[0044] The synchronous belts 3-2-2 and 4-2-2 clamp the electronic wire harness from both sides and move it forward to realize wire feeding.

[0045] See also Figure 1 and Figure 3 , wherein the synchronous wheel assembly 3 at the top is connected to the lifting device 2 installed on the top thereof, so as to adapt to electronic wire harnesses of different diameters.

[0046] The lifting device 2 includes a pair of slide bars 2-1 respectively arranged on the left and right sides of the fixing plates 3-1 and 4-1, and the upper and lower ends of the slide bars 2-1 are fixed on the frame 1;

[0047] A slide 2-2 slides along the up-down direction of the slide rod 2-1, and the lifting adjustment rod 2-4 is spirally connected to the slide 2-2;

[0048] The top of the lifting adjustment rod 2-4 penetrates the top plate of the frame 1 and is connected to the hand wheel 2-3.

[0049] In order to guide the wire harness, a guiding device 8 is provided between the pair of synchronous wheel assemblies 3 and 4.

[0050] The guide device 8 comprises a guide rod whose axis is consistent with the traveling direction of the electronic wire beam, and a guide hole is provided at the axis of the guide rod;

[0051] The guide rod is fixed to the body of the fixing plate 4 - 1 through a mounting bracket.

[0052] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An automatic wire feeding and cutting machine for electronic wire harnesses, characterized in that: It comprises a frame for supporting, wherein synchronous wheel assemblies for feeding wires are arranged opposite to each other inside the frame, and the electronic wire bundle passes between a pair of the synchronous wheel assemblies; A motor assembly is installed on one side of the rear of the frame, and the motor assembly drives a pair of synchronous wheel assemblies to move relative to each other to move the electronic wire harness from the first end to the second end to achieve cutting feeding movement; A cutting device fixed to the frame is provided at the second end, the cutting device comprising a pair of oppositely arranged cutters, one of which is a fixed cutter and the other is a movable cutter, the movable cutter is fixed to the end of the cylinder piston rod, and the cylinder body is mounted on the frame; An encoder for measuring the moving length is also provided at the second end, and an electronic beam passes over a counting wheel of the encoder.

2. The automatic wire feeding and cutting machine for electronic wire harness according to claim 1, characterized in that: The synchronous wheel assembly includes a fixing plate, which is vertically arranged inside the frame; A synchronous wheel set is provided in front of the fixed plate; The synchronous wheel set includes a driving wheel, a driven wheel, a synchronous belt and a plurality of idle wheels; The two synchronous belts clamp the electronic wire harness from both sides and move it forward to realize wire feeding.

3. The automatic wire feeding and cutting machine for electronic wire harnesses according to claim 2, characterized in that: The synchronous wheel assembly on the upper side is connected to a lifting device installed on the top thereof to adapt to electronic wire harnesses of different diameters.

4. The automatic wire feeding and cutting machine for electronic wire harnesses according to claim 3, characterized in that: The lifting device comprises a pair of slide bars respectively arranged on the left and right sides of the fixed plate, and the upper and lower ends of the slide bars are fixed on the frame; A slide frame slides along the up and down direction of the slide rod, and the lifting adjustment rod is spirally connected with the slide frame; The top of the lifting and lowering adjustment rod penetrates the top plate of the frame and is connected with a hand wheel.

5. The automatic wire feeding and cutting machine for electronic wire harnesses according to claim 4, characterized in that: A guiding device for guiding is also provided between the pair of synchronous wheel assemblies; The guide device comprises a guide rod whose axis is consistent with the traveling direction of the electronic wire harness, and a guide hole is provided at the axis of the guide rod; The guide rod is fixed to the body of one of the fixing plates through a mounting bracket.

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